SOMO-14D Audio-Sound Module

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Sound modules are getting better, smaller, and more capable all the time. This latest unit from 4D-Systems is a really tidy unit, playing audio from pinky-nail sized microSD card memory modules. The SOMO-14D supports 4-bit ADPCM audio files (.ad4) with sample rates from 6kHz up to 36kHz. Sweet!

4D-Systems also hosts a free Windows utility to convert any .WAV or .MP3 file to the necessary ADPCM (.AD4) format